Managing cavity trees for wildlife in the Northeast
By: Richard M. DeGraaf, Alex L. Shigo.
Contributors: Shigo, Alex L., 1930-; Northeastern Forest Experiment Station (Radnor, Pa.)
Series: General technical report NE -- 101.
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1985
Place of publication: [Broomall, PA]
Language: eng
Number of pages: 21
Subjects: Trees -- Wounds and injuries.; Birds -- Northeastern States -- Eggs.; Forests and forestry -- Northeastern States.
Notes: Distributed to depository libraries in microfiche.

Bibliography: p. 21.